Add test case for identical short and long version numbers

Signed-off-by: Lajos Papp <lajos.papp@sequenceiq.com>

pkg/version/version_test.go

@@ -12,6 +12,8 @@ func assertVersion(t *testing.T, a, b string, result int) {
 
 func TestCompareVersion(t *testing.T) {
 	assertVersion(t, "1.12", "1.12", 0)
+	assertVersion(t, "1.0.0", "1", 0)
+	assertVersion(t, "1", "1.0.0", 0)
 	assertVersion(t, "1.05.00.0156", "1.0.221.9289", 1)
 	assertVersion(t, "1", "1.0.1", -1)
 	assertVersion(t, "1.0.1", "1", 1)